The new SRAM PC-1130 chain has even more rounded outer plates for improved shifting and quieter running. Additional advancements include a new inner link surface and enhanced with chrome pins for a longer chain life. The HollowPin ™ construction SRAM 11-speed chain provides smooth, precise shifting and weight savings without sacrificing strength. Features Strong, precise and lightweight PowerLock ™ connecting link Product Features Use: Road Model: PC-1130 Gear: 11-speed Links: 120 Connecting link: PowerLock™ Directional design: Yes Hollow Pin: Yes Pin Link Plate: Nickel-silver Roller Link Plate: Nickel-grey Material steel Color Nickel silver outer plates Grey inner plates Weight 273g Technologies PowerLock® SRAM chain engineers developed PowerLock as a tool free, sure and consistent way to connect our 10 speed chains. While PL does not require special tools for install, the especially tight tolerances of 10 Speed drive trains mandated that each PowerLock is good for a one-time application only.